References of "Rigali, Sébastien"
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See detailAltered Desferrioxamine-mediated Iron Utilization is a Common Trait of bald Mutants of Streptomyces coelicolor
Lambert, Stéphanie ULg; Traxler, M. F.; Craig, M. et al

in Metallomics (2014)

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See detailGlnR-mediated regulation of nitrogen metabolism in the actinomycete Saccharopolysporaerythraea
Li-Li, Yao; Cheng-Heng, Liao; Gang, Huang et al

in Applied Microbiology and Biotechnology (2014)

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See detailStreptomyces in Nature and Medicine
Rigali, Sébastien ULg

Scientific conference (2013, November 22)

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See detailStory of a superman and a superbug
Rigali, Sébastien ULg

Scientific conference (2013, May)

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See detailStory of a superman and a superbug
Rigali, Sébastien ULg

Scientific conference (2013, April)

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See detailStreptomyces : a Superbug
Rigali, Sébastien ULg

Conference given outside the academic context (2013)

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See detailUse of red autofluorescence for monitoring prodiginine biosynthesis
Tenconi, Elodie ULg; Guichard, Paul; Motte, Patrick ULg et al

in Journal of Microbiological Methods (2013), 93

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See detailAntibiotic resistance: lessons from the soil
Rigali, Sébastien ULg

Scientific conference (2012)

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See detailUnsuspected Control of Siderophore production by N-acetylglucosamine in Streptomycetes
Craig, Matthias ULg; Lambert, Stéphany ULg; Jourdan, Samuel ULg et al

in Environmental Microbiology Reports (2012)

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See detailThe response to copper stress in Streptomyces lividans extends beyond genes under the direct control of a Copper sensitive operon Repressor protein (CsoR)
Dwarakanath, S; Chaplin, AK; Hough, MA et al

in Journal of Biological Chemistry (2012)

A Copper sensitive operon Repressor protein has been identified in Streptomyces livdians (CsoRSl) and found to regulate copper homeostasis with attomolar affinity for Cu(I). Solution studies reveal apo ... [more ▼]

A Copper sensitive operon Repressor protein has been identified in Streptomyces livdians (CsoRSl) and found to regulate copper homeostasis with attomolar affinity for Cu(I). Solution studies reveal apo- and CuI-CsoRSl to be a tetramer assembly and a 1.7 Å resolution crystal structure of apo-CsoRSl reveals that a significant conformational change is necessary to enable Cu(I) binding. In silico prediction of the CsoR regulon was confirmed in vitro (EMSA) and in vivo (RNA-seq) which highlighted that next to the csoR gene itself, the regulon consists of two Cu(I) efflux systems involving a CopZ-like copper metallochaperone protein and a CopA P1-type ATPase. While deletion of csoR has only minor effects on S. lividans development when grown under high copper concentrations, mutations of the Cu(I) ligands decrease tolerance to copper as a result of the Cu(I)-CsoR mutants failing to disengage from the DNA targets, thus inhibiting the derepression of the regulon. RNA-seq experiments carried out on samples incubated with exogenous copper and a ΔcsoR strain showed that the set of genes responding to copper stress is much wider than anticipated and largely extends beyond genes targeted by CsoR. This suggests more control levels are operating and directing other regulons in copper homeostasis beside the CsoR regulon [less ▲]

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See detailRegulon of the N-acetylglucosamine utilization regulator NagR in Bacillus subtilis
Bertram, R.; Rigali, Sébastien ULg; Wood, N. et al

in Journal of Bacteriology (2011), 193(14), 3525-36

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